1122321217 has 2 divisors, whose sum is σ = 1122321218. Its totient is φ = 1122321216.

The previous prime is 1122321119. The next prime is 1122321227. The reversal of 1122321217 is 7121232211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1117163776 + 5157441 = 33424^2 + 2271^2 .

It is an emirp because it is prime and its reverse (7121232211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1122321217 - 2²⁷ = 988103489 is a prime.

It is a super-2 number, since 2×1122321217² = 2519209828256722178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1122321227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561160608 + 561160609.

It is an arithmetic number, because the mean of its divisors is an integer number (561160609).

Almost surely, 2^1122321217 is an apocalyptic number.

It is an amenable number.

1122321217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122321217 is an equidigital number, since it uses as much as digits as its factorization.

1122321217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 22.

The square root of 1122321217 is about 33501.0629234357. The cubic root of 1122321217 is about 1039.2157601646.

Adding to 1122321217 its reverse (7121232211), we get a palindrome (8243553428).

The spelling of 1122321217 in words is "one billion, one hundred twenty-two million, three hundred twenty-one thousand, two hundred seventeen".